8844169
1/4 and 1/8 in. Mini Air Die Grinder
V1.0
14
For technical questions call 1-800-665-8685
TROUBLESHOOTING
Visit a Princess Auto Ltd. location for a solution if the tool does not
function properly or parts are missing. If unable to do so, have a
qualified technician service the tool.
PROBLEM(S)
POSSIBLE CAUSE(S)
SUGGESTED SOLUTION(S)
Tool runs at normal
speed, but loses
power under load.
Motor parts worn.
1. Have a qualified technician
service the tool.
2. Replace tool or parts.
Tool runs slowly. Air
flows slightly from
exhaust.
Motor parts jammed
with dirt particles.
OR
Airflow blocked by dirt.
1. Check air inlet filter for
blockage.
2. Pour air tool lubricating oil
into air inlet as per lubrication
instructions for clearing
shipping grease.
3. Operate tool in short bursts to
clear debris.
4. If tool still jammed, clean tool
and lubricate per lubrication
instructions.
Tool runs slowly. Air
flows slightly from
exhaust.
Air regulator in closed
position.
Open the air regulator to desired
airflow.
Tools will not run. Air
flows freely from
exhaust.
Damage or excessive
wearing of internal
parts.
1. Have a qualified technician
service the tool.
2. Replace tool or parts.
Tool will not shut off. 1. Throttle valve o-ring
dislodged from seat
inlet valve.
2. Trigger mechanism
jammed or dirty.
1. Replace throttle valve
o-rings.
2. Clean trigger mechanism and
lubricate.
Loss of power or
erratic performance.
1. Excessive drain on
the air hose.
Incorrect size or type
of hose couplers.
2. Moisture or
restriction in the air
hose/tank
3. Air compressor has
insufficient flow.
1. Check the air hose and
confirm the hose fitting is
correct for the inlet bushing.
2. Depressurize system and
drain tank and air hose of
water.
3. Ensure tool is connected to a
compressor with a rate flow
that matches the tool.
